--- !Document
_tests: !List/Boolean
  - !Equal/String
    a: "Hello, world"
    b: !ToString
      source: !Value/String "Hello, world"
  - !Equal/String
    a: true
    b: !ToString
      source: !Value/Boolean true
  - !Equal/String
    a: 5
    b: !ToString
      source: !Value/Real 5
